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Modelling the evolution of legacy systems to web-based systems

Lavery, Janet and Boldyreff, Cornelia and Ling, Bin and Allison, Colin (2004) Modelling the evolution of legacy systems to web-based systems. Journal of Software Maintenance and Evolution: Research and Practice, 16 (1-2). pp. 5-30. ISSN 1532-060X

Full content URL: http://dx.doi.org/10.1002/smr.282

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Abstract

To advance operational legacy systems, with their out-of-date software, distributed data and entrenched business processes, to systems that can take advantage of current Web technologies to give consistent, customized and secure access to existing information bases and legacy systems is a complex and daunting task. The Institutionally Secure Integrated Data Environment (INSIDE) is a collaborative project between the Universities of St Andrews and Durham that is addressing the issues surrounding the development and delivery of integrated systems for large institutions, constrained by the requirement of working with the existing information bases and legacy systems. The work has included an exploration of the incremental evolution of existing systems by building Web-based value-added services upon foundations derived from analysing and modelling the existing legacy systems. Progressing from initial informal models to more formal domain and requirements models in a systematic way, following a meta-process incorporating good practice from domain analysis and requirements engineering has allowed the project to lay the foundation for its development of Web-based services.

Additional Information:To advance operational legacy systems, with their out-of-date software, distributed data and entrenched business processes, to systems that can take advantage of current Web technologies to give consistent, customized and secure access to existing information bases and legacy systems is a complex and daunting task. The Institutionally Secure Integrated Data Environment (INSIDE) is a collaborative project between the Universities of St Andrews and Durham that is addressing the issues surrounding the development and delivery of integrated systems for large institutions, constrained by the requirement of working with the existing information bases and legacy systems. The work has included an exploration of the incremental evolution of existing systems by building Web-based value-added services upon foundations derived from analysing and modelling the existing legacy systems. Progressing from initial informal models to more formal domain and requirements models in a systematic way, following a meta-process incorporating good practice from domain analysis and requirements engineering has allowed the project to lay the foundation for its development of Web-based services.
Keywords:software evolution
Subjects:G Mathematical and Computer Sciences > G610 Software Design
G Mathematical and Computer Sciences > G600 Software Engineering
Divisions:College of Science > School of Computer Science
ID Code:38
Deposited On:18 Dec 2004

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